
Three-ring Enigma cypher machine in oak wood transit case
1934
1934
1935
1926-1932
1920-1925
1919
1925-1935
1923
1830 (original); 1967 (model)
1945
1926
1946
1943
1938
1920
1938
1938
1935
1938
1940
1928
1935
1940
1936
1920-1929
1934
1922
1932
1955; 1830
1935
1920-1940
1925-1928
1940-1945
1927-1929
1935-1945
1932-1936
1934-1935
1934
1937
1931
1931
1946
1942
1927
1937
1930
circa 1930
1930-1940
1920-1925
1944
circa 1942